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Finding the Fourth Proportional to 622,889.40, 934,334.10 and 591,785.40

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Solution

The fourth proportional to 622,889.40, 934,334.10 and 591,785.40 is: 887,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,889.40 : 934,334.10 = 591,785.40 : x
  2. Step 2: Convert to fraction form
    622,889.40/934,334.10 = 591,785.40/x
  3. Step 3: Cross multiply
    622,889.40x = 934,334.10 × 591,785.40
  4. Step 4: Simplify right side
    622,889.40x = 552,925,279,102.14
  5. Step 5: Solve for x
    x = 552,925,279,102.14/622,889.40
  6. Step 6: Final answer
    x = 887,678.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.